{"id":1783,"date":"2020-07-28T07:24:39","date_gmt":"2020-07-28T14:24:39","guid":{"rendered":"https:\/\/careerkarma.com\/blog\/?p=1783"},"modified":"2022-09-11T12:40:17","modified_gmt":"2022-09-11T19:40:17","slug":"coding-challenges-for-javascript","status":"publish","type":"post","link":"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/","title":{"rendered":"JavaScript Coding Challenges for JS Junkies"},"content":{"rendered":"\n<p>Being a JavaScript coder is a little like being a gunslinger: there\u2019s always going to be someone younger or faster coming for you. That\u2019s why you\u2019ve got to keep your senses sharp and your mind open. You have to keep practicing and learning to stay on top of any profession, be it shooting challengers or squashing software bugs.&nbsp;<\/p>\n\n\n\n<p>Many <a href=\"https:\/\/careerkarma.com\/blog\/online-javascript-courses\/\">online JavaScript courses<\/a> have built-in challenges to address this need. These sites offer byte-sized coding puzzles, usually with increasing difficulty. Regular visits to sites like these will raise your coding game and make you a more valuable employee. Which JavaScript coding challenge sites are the best, though?<\/p>\n\n\n\n<p>We\u2019ve compiled the best coding challenges for JavaScript in this guide. You\u2019ll discover which sites offer coding challenges for beginners and which ones are for more experienced programmers. With our help and a regular time commitment on your part, you\u2019ll soon be a Java-coding beast.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<label for=\"ez-toc-cssicon-toggle-item-69db029607548\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69db029607548\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#best-sites-for-javascript-coding-challenges\" >Best Sites for JavaScript Coding Challenges<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#exercismio\" >Exercism.io<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#topcoder\" >TopCoder<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#spoj\" >SPOJ<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#scotchio\" >Scotch.io<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#codewars\" >Codewars<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#hackerrank\" >HackerRank<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#leetcode\" >LeetCode<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#codingame\" >CodinGame<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#geeks4geeks\" >Geeks4Geeks<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#coderbyte\" >CoderByte<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#codeforces\" >CodeForces<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#codechef\" >CodeChef<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#project-euler\" >Project Euler<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/careerkarma.com\/blog\/coding-challenges-for-javascript\/#javascript-coding-challenges-list\" >JavaScript Coding Challenges List<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-best-sites-for-javascript-coding-challenges\"><span class=\"ez-toc-section\" id=\"best-sites-for-javascript-coding-challenges\"><\/span>Best Sites for JavaScript Coding Challenges<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-exercism-io\"><span class=\"ez-toc-section\" id=\"exercismio\"><\/span>Exercism.io<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"153\" height=\"125\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/exercism-logo.png\" alt=\"Exercism.io logo\" class=\"wp-image-10852\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/exercism-logo.png 153w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/exercism-logo-20x16.png 20w\" sizes=\"auto, (max-width: 153px) 100vw, 153px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/exercism.io\/tracks\/javascript\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Exercism.io<\/a> is a growing platform designed to help people increase their JavaScript and other coding skills with tests and challenges. The program offers challenges for 51 languages and is entirely free-of-charge. As of now, over 50,000 students used the JavaScript challenges offered by Exorcism.io. <\/p>\n\n\n\n<p>Additionally, the program features 101 JavaScript exercises and challenges, as well as 117 coding mentors. Mentors at Exorcism.io are seasoned JavaScript developers, and they\u2019re available for students when needed to help solve challenging computer programming problems.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topcoder\"><span class=\"ez-toc-section\" id=\"topcoder\"><\/span><strong>TopCoder<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>If you want a time-tested JavaScript coding challenge site, look no further than <a href=\"https:\/\/www.topcoder.com\/challenges\/?pageIndex=1\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">TopCoder<\/a>. This coding challenge site offers new challenges every week. What&#8217;s more, it has a vast archive of challenges in which you can play to your heart\u2019s delight.<br><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"244\" height=\"100\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/topcoder.jpg\" alt=\"Topcoder logo\" class=\"wp-image-10182\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/topcoder.jpg 244w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/topcoder-20x8.png 20w\" sizes=\"auto, (max-width: 244px) 100vw, 244px\" \/><\/figure>\n\n\n\n<p>If you\u2019re feeling cocky, you can also take advantage of TopCoder\u2019s single-round matches that pit you against another coding competitor. Put your skills on the line with this well-crafted and respected challenge site and push through to the next level.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-spoj\"><span class=\"ez-toc-section\" id=\"spoj\"><\/span>SPOJ<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"125\" height=\"125\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/spoj-logo.jpg\" alt=\"SPOJ logo\" class=\"wp-image-10853\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/spoj-logo.jpg 125w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/spoj-logo-20x20.png 20w\" sizes=\"auto, (max-width: 125px) 100vw, 125px\" \/><\/figure>\n\n\n\n<p><a href=\"http:\/\/www.spoj.com\/problems\/classical\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">SPOJ<\/a>, or Sphere Online Judge, is a multifaceted coding platform for students. With over 700,000 users and 25,000,000 submissions, SPOJ offers a huge base of knowledge to anyone willing to look.&nbsp;<\/p>\n\n\n\n<p>Students learn popular coding languages (including JavaScript) using the vast amount of resources offered by the program.&nbsp;To get started, simply visit the SPOJ \u2018Problems\u2019 page on the website and scroll through thousands of projects. Each coding challenge is labeled by difficulty, quality, and views. Thus, you can be confident that you&#8217;ll find all the resources you need, from beginner coding challenges to more difficult projects. &nbsp;<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-scotch-io\"><span class=\"ez-toc-section\" id=\"scotchio\"><\/span>Scotch.io<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"100\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/scotch.io-logo.jpg\" alt=\"Scotch.io logo\" class=\"wp-image-10854\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/scotch.io-logo.jpg 100w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/scotch.io-logo-20x20.jpg 20w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/scotch.io\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Scotch.io<\/a> offers a challenging but rewarding JavaScript coding challenge. In this challenge, you\u2019ll build an online chat app from the ground up using Laravel and Vue.js. This high-level chat application features user authentication (username and password), saves registration information in a database, and allows users to participate in a variety of chats. <\/p>\n\n\n\n<p>The program features group chats, one-on-one conversations, typing indicators, read and delivered receipts, and more. This JavaScript project allows you to build a fun and complex front end without an unreasonable amount of difficult material.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-codewars\"><span class=\"ez-toc-section\" id=\"codewars\"><\/span>Codewars<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/09\/codewars-logo.png\" alt=\"Codewars logo\" class=\"wp-image-6665\" width=\"216\" height=\"38\"\/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.codewars.com\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Codewars<\/a> offers a variety of JavaScript challenges designed to test different areas of expertise, including combined with other programming languages.&nbsp; The simplest project available is called \u2018Polish Alphabet\u2019 and is JavaScript-only. Codewars challenges you to change a group of letters into a word using diacritics.&nbsp;<\/p>\n\n\n\n<p>Other projects such as the \u2018Logical Calculator\u2019 include other programming languages such as C#, Python, Racket, and Ruby. For simpler projects, consider the age differences challenge.\u00a0The challenge requires you to find the age differences between your youngest and oldest family members using JavaScript and C#. As of now, Codewars offers a total of 9 <a href=\"https:\/\/careerkarma.com\/blog\/javascript-and-python\/\">JavaScript and Python<\/a> coding challenges.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-hackerrank\"><span class=\"ez-toc-section\" id=\"hackerrank\"><\/span><strong>HackerRank<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"100\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/hackerrank.png\" alt=\"HackerRank logo\" class=\"wp-image-10183\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/hackerrank.png 100w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/hackerrank-20x20.png 20w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/figure>\n\n\n\n<p>Up next, <a href=\"https:\/\/www.hackerrank.com\/dashboard\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">HackerRank<\/a> is a great choice for JavaScript coding challenges. The website provides visitors with challenges that span across a variety of domains, including functional programming, mathematics, AI, and algorithms. In addition to JavaScript, HackerRank has challenges for many other languages, too.<br><\/p>\n\n\n\n<p>A great feature of HackerRank\u2019s is how integrated they are with prospective employers. On HackerRank, you can create a resume to be viewed by companies, and you can take on coding challenges provided by businesses. Do well on the problem and you might find yourself in a job interview!<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-leetcode\"><span class=\"ez-toc-section\" id=\"leetcode\"><\/span>LeetCode<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"125\" height=\"125\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/leetcode-logo.png\" alt=\"LeetCode logo\" class=\"wp-image-10856\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/leetcode-logo.png 125w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/leetcode-logo-20x20.png 20w\" sizes=\"auto, (max-width: 125px) 100vw, 125px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/leetcode.com\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">LeetCode<\/a> is an online platform designed to help people learn how to code.&nbsp;JavaScript is one amongst many languages served by LeetCode, and the service offers plenty of related resources. <\/p>\n\n\n\n<p>In addition to coding questions and challenges, LeetCode helps you engage in an active community of peers. Students help each other solve coding problems by providing examples and exchanging ideas.&nbsp;LeetCode also helps students connect with companies and can help you prepare for a technical interview with coding challenges.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-codingame\"><span class=\"ez-toc-section\" id=\"codingame\"><\/span>CodinGame<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"100\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/codingame.png\" alt=\"CodinGame logo\" class=\"wp-image-10187\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/codingame.png 100w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/codingame-20x20.png 20w\" sizes=\"auto, (max-width: 100px) 100vw, 100px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.codingame.com\/training\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">CodinGame<\/a> offers a unique approach to JavaScript coding challenges (and more than 20 other programming languages). Each challenge is connected to a real in-browser game that responds to your input in the browser-based IDE. The site also offers tutorials and the ability to partake in competitive and multiplayer coding challenges. <\/p>\n\n\n\n<p>There are tons of different games you can work on in CodinGame, but some of the most popular games on the site include The Descent (to practice JavaScript loops), Power of Thor (to practice conditions), and Temperatures (to practice arrays).  <\/p>\n\n\n\n<p>While CodinGame offers plenty of JavaScript challenges for beginners, there are plenty of great exercises to test more experienced coders, as well. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-geeks4geeks\"><span class=\"ez-toc-section\" id=\"geeks4geeks\"><\/span>Geeks4Geeks<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"210\" height=\"125\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/geeks4geeks-logo.png\" alt=\"Geeks4Geeks logo\" class=\"wp-image-10857\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/geeks4geeks-logo.png 210w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/geeks4geeks-logo-20x12.png 20w\" sizes=\"auto, (max-width: 210px) 100vw, 210px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.geeksforgeeks.org\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Geeks4Geeks<\/a> provides a number of JavaScript coding resources to programmers.&nbsp;Among these resources are coding challenges which you can use to prepare for a technical interview. <\/p>\n\n\n\n<p>Additionally, Geeks4Geeks provides helpful blog content covering company-specific technical interview topics. You can use this information to get a head-start on programming and pick the challenges that best relate to your prospective company.&nbsp;Geeks4Geeks offers quality computer science resources that you can take advantage of today and begin testing your JavaScript programming skills.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-coderbyte\"><span class=\"ez-toc-section\" id=\"coderbyte\"><\/span><strong>CoderByte<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/coderbyte-1.png\" alt=\"CoderByte logo\" class=\"wp-image-10185\" width=\"315\" height=\"75\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/coderbyte-1.png 420w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/coderbyte-1-385x92.png 385w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/coderbyte-1-20x5.png 20w\" sizes=\"auto, (max-width: 315px) 100vw, 315px\" \/><\/figure>\n\n\n\n<p>For those of you who are still getting their JavaScript feet wet, <a href=\"https:\/\/www.coderbyte.com\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">CoderByte<\/a> is the place to visit. CoderByte presents its JavaScript coding challenges in an escalating fashion; you start out with beginner challenges and work your way to the more difficult ones. The site has a bunch of helpful videos and articles explaining various coding concepts, as well.<br><\/p>\n\n\n\n<p>CoderByte will not only let you hone your JavaScript coding skills, but it will also help you get placed in a coding bootcamp. The site offers bootcamp test prep exams in addition to its coding challenges. Worth a visit!<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-codeforces\"><span class=\"ez-toc-section\" id=\"codeforces\"><\/span>CodeForces<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/codeforces-logo.png\" alt=\"codeforces logo\" class=\"wp-image-10858\" width=\"320\" height=\"38\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/codeforces-logo.png 639w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/codeforces-logo-385x45.png 385w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/codeforces-logo-20x2.png 20w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/codeforces.com\/contests\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">CodeForces<\/a> offers a myriad of programming tests, competitions, and practice projects. Each time CodeForces holds a contest, it displays the participants on its \u2018Contests Page\u2019 and describes the project.&nbsp;Challenges also include a countdown, allowing you to see when it began and how much time you have. <\/p>\n\n\n\n<p>CodeForces offers a unique coding challenge platform that allows students to get in touch with their competitive side, while simultaneously focusing on relevant and up-to-date skills.&nbsp;Also, you can practice JavaScript and access study materials on the site, making it a well-rounded and feature-filled coding practice platform.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-codechef\"><span class=\"ez-toc-section\" id=\"codechef\"><\/span><strong>CodeChef<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"94\" height=\"100\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/codechef.png\" alt=\"CodeChef logo\" class=\"wp-image-10186\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/codechef.png 94w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2019\/12\/codechef-20x21.png 20w\" sizes=\"auto, (max-width: 94px) 100vw, 94px\" \/><\/figure>\n\n\n\n<p>Are you looking for a boundless cornucopia of coding challenges? Take a web stroll over to <a href=\"https:\/\/www.codechef.com\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">CodeChef<\/a>. CodeChef is based in India, and it taps that country\u2019s substantial programmer base to offer a whole heapin\u2019 helpin\u2019 of coding challenges.<br><\/p>\n\n\n\n<p>Go solo, or fight it out with other JavaScript writers in a competitive challenge. And, make sure to take advantage of CodeChef\u2019s best feature: its vibrant and active forums and tutorials. Tap into expert coders\u2019 knowledge on the websites message boards, and enlist others to aid your development.<br><\/p>\n\n\n\n<p>With such a profusion of JavaScript coding challenge sites around, it\u2019s essential to know where to go and not waste your time on misleading or poorly built challenge sites. We hope that this guide has helped you weed out some of those and has allowed you to concentrate on those sites that bring it regularly and thoroughly. Keep hitting the challenges and soon you\u2019ll be a big-league JavaScript player.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-project-euler\"><span class=\"ez-toc-section\" id=\"project-euler\"><\/span>Project Euler<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"45\" src=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/project-euler.png\" alt=\"Project Euler logo\" class=\"wp-image-10859\" srcset=\"https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/project-euler.png 250w, https:\/\/careerkarma.com\/blog\/wp-content\/uploads\/2020\/01\/project-euler-20x4.png 20w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/projecteuler.net\/\" target=\"_blank\" rel=\"noopener\" rel=\"nofollow\">Project Euler<\/a> offers a series of complex computer programming challenges, along with math testing and practice problems.&nbsp;The site offers challenges of varying difficulty, so people from all coding backgrounds can find something that fits their skill levels. You can set up an account and track your progress as you continue to learn, and gradually select challenges of increased difficulty. <\/p>\n\n\n\n<p>Project Euler aims to help programming students increase their skills by slowly challenging themselves to unfamiliar coding problems while remaining (mostly) within their comfort zone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-javascript-coding-challenges-list\"><span class=\"ez-toc-section\" id=\"javascript-coding-challenges-list\"><\/span>JavaScript Coding Challenges List<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Exercism.io<\/li><li>TopCoder<\/li><li>SPOJ<\/li><li>Scotch.io<\/li><li>Codewars<\/li><li>HackerRank<\/li><li>LeetCode<\/li><li>CodinGame<\/li><li>Geeks4Geeks<\/li><li>CoderByte<\/li><li>CodeForces<\/li><li>CodeChef<\/li><li>Project Euler<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n","protected":false},"excerpt":{"rendered":"Being a JavaScript coder is a little like being a gunslinger: there\u2019s always going to be someone younger or faster coming for you. That\u2019s why you\u2019ve got to keep your senses sharp and your mind open. You have to keep practicing and learning to stay on top of any profession, be it shooting challengers or&hellip;","protected":false},"author":24,"featured_media":9576,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11933],"tags":[12688],"class_list":{"0":"post-1783","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-javascript","8":"tag-coding-resources"},"acf":{"post_sub_title":"","sprint_id":"","query_class":"Interviews","school_sft":"","parent_sft":"","school_privacy_policy":"","has_review":null,"is_sponser_post":"","is_guest_post":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>JavaScript Coding Challenges for JS Junkies | Career Karma<\/title>\n<meta name=\"description\" content=\"Sharpen your JS skills with JavaScript coding challenges. 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